Caption: Mealworms on a fork. Sauteed yellow mealworm larvae (Tenebrio molitor) and superworm larvae (Zophobas morio) on a fork. The superworm larvae are the larger of the two types. T. molitor and Z. morio are both kinds of beetles. The eating of insects, entomophagy, occurs all over the world, and includes ants, locusts and moths. Insects, along with arachnids such as spiders and scorpions, are good sources of carbohydrates, fats and proteins. Mealworms are pests of stored grain. Recipes for cooking mealworm larvae suggest including them in stir-fries, cookies and pancakes.